Logarithm - General Questions

Simplify: log (5³) / log (5²)

What is the value of log₁₀ 100?

If log 2 = 0.301 and log 3 = 0.4771, what is the value of log 54?

If log₃ x = 9, what is x?

What is the value of log 4 + log 25?